In CrossFit, we talk about variance and that means a lot of different things -- vary the load, vary the movement choice, vary the duration, vary the skill. We have a lot to work with. One of the most potent, and therefore popular, rep schemes is 21, 15 and 9, usually done as a couplet (2 movements), with one gymnastics movement and one weightlifting movement. Today, we will try this with weightlifting and weightlifting ... should be hard.